National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

34°F

1°C

Humidity 60%
Wind Speed W 8 mph
Barometer 29.72 in (1006.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Nov 2:55 am EST
Extended Forecast for

New Castle NH

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow showers before 9am, then a slight chance of rain showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Northwest wind around 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers between 11pm and 4am, then a chance of rain showers after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of snow showers before 9am, then a slight chance of rain showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 31. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 45.
Saturday Night
A chance of snow showers between 11pm and 4am, then a chance of rain showers after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Sunday
Rain. High near 51. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.05°N 70.75°W (Elev. 13 ft)
Last Update:
12:18 am EST Nov 12, 2025
Forecast Valid:
3am EST Nov 12, 2025-6pm EST Nov 18, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation